*参照元 [#a5c012d7] #backlinks *説明 [#b929d2dd] -パス: [[linux-4.4.1/arch/arm64/include/asm/memory.h]] -FIXME: これは何? --説明 **参考 [#s055d878] *実装 [#y69f3422] /* * PAGE_OFFSET - the virtual address of the start of the kernel image (top * (VA_BITS - 1)) * VA_BITS - the maximum number of bits for virtual addresses. * VA_START - the first kernel virtual address. * TASK_SIZE - the maximum size of a user space task. * TASK_UNMAPPED_BASE - the lower boundary of the mmap VM area. * The module space lives between the addresses given by TASK_SIZE * and PAGE_OFFSET - it must be within 128MB of the kernel text. */ ... #define PAGE_OFFSET (UL(0xffffffffffffffff) << (VA_BITS - 1)) - --[[linux-4.4.1/VA_BITS]] *コメント [#u5fd9ae3]